Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12885-018-4489-0/MediaObjects/12885_2018_4489_Fig1_HTML.png)
Immunohistochemistry. Losses of MLH1 and PMS2 proteins were detected in the tumor cells. Expressions of MSH2 and MSH6 proteins were detected in the tumor cells. Expressions of MLH1, PMS2, MSH2, MSH6 proteins were detected in the lymphocytes
Immunohistochemistry. Losses of MLH1 and PMS2 proteins were detected in the tumor cells. Expressions of MSH2 and MSH6 proteins were detected in the tumor cells. Expressions of MLH1, PMS2, MSH2, MSH6 proteins were detected in the lymphocytes